draft: br2 ccache

ci/Jenkinsfile

@@ -5,9 +5,7 @@ pipeline {
         kubernetes {
             yamlFile 'ci/podTemplate.yaml'
             defaultContainer 'buildroot'
-            workspaceVolume persistentVolumeClaimWorkspaceVolume(
-                claimName: 'jenkins-ws-pythonctnr'
-            )
+            workspaceVolume dynamicPVC()
         }
     }
 
@@ -16,20 +14,13 @@ pipeline {
         disableConcurrentBuilds()
     }
 
-    parameters {
-        booleanParam \
-            name: 'Clean',
-            description: 'Clean the workspace and perform a full rebuild'
+    triggers {
+        cron 'TZ=America/Chicago\nH H H * *'
     }
 
     stages {
         stage('Prepare') {
             steps {
-                script {
-                    if (params.Clean) {
-                        sh 'rm -rf _build'
-                    }
-                }
                 checkout poll: false, scm: [
                     $class: 'GitSCM',
                     branches: [[name: '2022.05.x']],

ci/podTemplate.yaml

@@ -7,9 +7,14 @@ spec:
     command:
     - sleep
     - infinity
+    env:
+    - name: HOME
+      value: /home/jenkins
     volumeMounts:
     - name: tmp
       mountPath: /tmp
+    - name: br2-ccache
+      mountPath: /home/jenkins/.buildroot-ccache
     securityContext:
       readOnlyRootFilesystem: true
       runAsUser: 1000
@@ -25,3 +30,6 @@ spec:
     emptyDir:
       medium: Memory
       sizeLimit: 100Mi
+  - name: br2-ccache
+    persistentVolumeClaim:
+      claimName: jenkins-br2-ccache

ci/pvc.yaml

@@ -5,10 +5,10 @@
 apiVersion: v1
 kind: PersistentVolumeClaim
 metadata:
-  name: jenkins-ws-pythonctnr
+  name: jenkins-br2-ccache
 spec:
   accessModes:
   - ReadWriteOnce
   resources:
     requests:
-      storage: 10Gi
+      storage: 20Gi

configs/pythonctnr_defconfig

@@ -1,4 +1,5 @@
 BR2_x86_64=y
+BR2_CCACHE=y
 BR2_TOOLCHAIN_BUILDROOT_GLIBC=y
 BR2_TARGET_GENERIC_HOSTNAME="pythonctnr"
 BR2_TARGET_GENERIC_ISSUE=""